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Feathery fast.

Creating a successor to the Zero.7 was no easy task, but Wilier engineers knew they needed to do something special for the company's 110th anniversary. The result of two years of intense development, Wilier's 2017 Zero.6 Unlimited Road Frameset bursts on the scene weighing a paltry 680 claimed grams with an all-new carbon layup and clean, classic aesthetics. The geometry remains similar to that of the Zero.7 with tight, race-ready angles and Wilier's seamlessly Integrated Fork that leave no question that the Zero.6 is bred to corner aggressively and respond decisively on lengthy climbs, tight corners, and sweeping descents.

Wilier maxed out what it could do with its carbon layup process in the Zero.7, so trimming weight yet again required a reevaluation of the material itself. Together with Mitsubishi, Wilier engineers developed a new material known as Dialed, derived from a base material known as Pitch that consists of a blend of high-purity high-modulus and ultra-high-modulus fiber. It then integrated Dialed with materials we've seen Wilier trust before, including 60T carbon fiber and SEI film, using different temperatures and pressure during the molding process in an entirely new construction method.

Carbon of such high moduli is exceptionally stiff, light, and efficient, but the tradeoff is usually a shortfall in the ability to absorb road vibrations and survive the hard-knocks life of a dedicated roadie. Rather than dooming you to harsh pavement feedback or a fragile frame, Wilier injects Special Elastic Infiltrated Film (SEI) between layers of carbon to relieve the harsh and brittle nature of high-modulus fiber and imbue the frame with increased vibration absorption and impact resistance. Together, this layup achieves the impossibly low weight and responsive handling that defines the lightest member of the Zero family yet.

The Zero.6 is also built up in the bottom bracket area in order to increase power transfer and accommodate a PressFit BB86 bottom bracket. While it's true that the options for external bearing cups runneth over, there is still significant room for advancement in the right circumstances. Wilier's collaboration with venerable component manufacturer FSA proves that point. The BB86 is a kingly 86.5 millimeters wide, increasing stiffness over the usual 68 millimeter bottom brackets and further reducing the power lost from flexing. Unlike the Zero.7 (which was BB386 Evo), the Zero.6's bottom bracket is sized for the standard 24mm spindles found on Shimano and Campagnolo cranks, so be aware of. The Zero.6 Frameset is finished off with a 27.2 millimeter Ritchey WCS Superlogic seatpost.